Interim PM says Ukraine 'on the brink of disaster'

Russia continued to build up its forces in Crimea on Sunday, as Ukraine's interim Prime Minister Arseniy Yatsenyuk warned that his country was "on the brink of disaster."

Speaking to reporters, he said: "If (Russian President Vladimir) Putin wants to be the president who started the war between two neighbouring and friendly countries, Ukraine and Russia, he's reached this target within a few inches".